The Puzzle of the Red Tassel
Das Rätsel der roten Quaste (original)
Starring Vivi Bach, Dietmar Schönherr, Slavo Schweiger, Laya Raki, Demeter Bitenc, Mario Di Stella, Jože Pengov
It's a drama and thriller movie, and has a rating of 5.7 out of 10 from Imdb which is fairly okay for this kind of movie.
Watch it here
Not found streaming from United Kingdom.